Burning Furnace

- Increased the maximum stack size for cooking pan and towel hanger items from 1 to 3.

- Modified the behavior of the hanger block so that it is destroyed when the block behind it is destroyed or removed.

- Implemented lightning destruction to the generator block when it is exposed to the rain in an open space.

- Generator block won't get dropped if the smoker will explode due insuficent above smoker space.

- Fixed the malfunctioning of the "Explosive_smoker_block" setting inside of the config file.